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author | Uros Bizjak <ubizjak@gmail.com> | 2007-10-12 10:37:17 +0200 |
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committer | Uros Bizjak <uros@gcc.gnu.org> | 2007-10-12 10:37:17 +0200 |
commit | 6d3bf8498df74204a3cb0a74481634313d892fd6 (patch) | |
tree | 9b3315ec9294785693c2e914f816a352e4806dfc /gcc/testsuite/gcc.dg | |
parent | 900461f31ff4f7678b6818b8719b7db7e5f44951 (diff) | |
download | gcc-6d3bf8498df74204a3cb0a74481634313d892fd6.zip gcc-6d3bf8498df74204a3cb0a74481634313d892fd6.tar.gz gcc-6d3bf8498df74204a3cb0a74481634313d892fd6.tar.bz2 |
re PR tree-optimization/33742 (Segfault in vectorizable_operation)
PR tree-optimization/33742
* tree-vect-transform.c (vectorizable_operation): Return false
if get_vectype_for_scalar_type for scalar_dest can't be determined.
(vectorizable_call): Same for rhs_type and lhs_type.
testsuite/ChangeLog:
PR tree-optimization/33742
* gcc.dg/pr33742.c: New testcase.
From-SVN: r129255
Diffstat (limited to 'gcc/testsuite/gcc.dg')
-rw-r--r-- | gcc/testsuite/gcc.dg/pr33742.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr33742.c b/gcc/testsuite/gcc.dg/pr33742.c new file mode 100644 index 0000000..b905d9d --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr33742.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-vectorize" } */ + +typedef unsigned short ush; +extern ush prev[]; + +void fill_window () +{ + register unsigned n, m; + + for (n = 0; n < 32768; n++) + { + m = prev[n]; + prev[n] = (ush) (m >= 0x8000 ? m - 0x8000 : 0); + } +} |